372 
VARIETIES. 
Red. 
61 p. c. chlorate of potash. 
16 sulphur. 
23 carbonate of strontia. 
Purple-red. 
61 p. c. chlorate of potash. 
16 sulphur. 
23 chalk. 
Rose-red. 
61 p. c. chlorate of potash. 
16 sulphur. 
23 chloride of calcium. 
Orange-red. 
92 p. c. chlorate of potash. 
14 sulphur. 
34 chalk. 
Yellow. 
61 p. c. chlorate of potash. 
16 sulphur. 
23 dry soda. 
or, 
50 p. c. nitre. 
16 sulphur. 
20 soda. 
14 gunpowder. 
or, 
61 p. c. nitre. 
17 J sulphur. 
20 soda. 
lj charcoal. 
Light Blue. 
61 p. c. chlorate of potash. 
16 sulphur. 
23 strongly-calcined alum. 
Dark Blue. 
60 p. c. chlorate of potash. 
16 sulphur. 
22 carbonate of copper. 
12 alum. 
Dark Violet. 
60 p. c. chlorate of potash. 
16 sulphur. 
12 carbonate of potash. 
12 alum. 
The dark blue is rendered still 
of potash and ammonio-sulphate c 
Journ. fur Prakt. Chem., liv. p. 
Pale Violet. 
54 p. c. chlorate of potash. 
14 sulphur. 
16 carbonate of potash. 
16 alum. 
Green. 
73 p. c. chlorate of potash. 
17 sulphur. 
10 boracic acid. 
Light Green. 
60 p. c. chlorate of potash. 
16 sulphur. 
24 carbonate of baryta. 
For Theatrical Illumination. 
White. 
64 p. c: nitre. 
21 sulphur. 
15 gunpowder. 
or, 
76 p. c. nitre. 
22 sulphur. 
2 charcoal. 
Red. 
56 p. c. nitrate of strontian. 
24 sulphur. 
20 chlorate of potash. 
Green. 
60 p. c. nitrate of baryta. 
22 sulphur. 
18 chlorate of potash. 
Pink. 
20 p. c. sulphur. 
32 nitre. 
27 v chlorate of potash. 
20 chalk. 
1 . charcoal. 
Blue. 
27 p. c. nitre. 
28 chlorate of potash. 
15 sulphur. 
15 sulphate of potash. 
15 ammonio-sulphate of copper. 
darker by the addition of some sulphate 
f copper.— Chem. Gazette, May, 1852, from 
